A healthy diet contains a balance of different foods. Carbohydrates such as rice and bread give energy, while proteins from meat, fish, beans and eggs help the body to grow and repair itself. Fruit and vegetables supply vitamins and fibre. Too much sugar and fat can lead to tooth decay and heart disease. Doctors recommend drinking plenty of water and eating several portions of fruit and vegetables a day. They also advise that students should never skip breakfast because it helps them to concentrate during lessons.

Answer and explanation

Correct answer: C. It helps them to concentrate in lessons.

  1. Step 1: The last sentence gives this reason.
Answer
It helps them to concentrate in lessons.
Why not the others: It stops them from drinking enough water., It makes them gain weight during the day. and It gives them vitamins and fibre only. do not fit.

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